Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Functional Anatomy > The Knee > Flashcards

The Knee Flashcards

1
Q

What type of joint is the knee joint?

A

Modified Hinge - Flexion/Extension but allows some rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the three joint articulations in the knee?

A
  • Medial Tibiofemoral
  • Lateral Tibiofemoral
  • Patellofemoral
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the tibiofemoral joints?

A

Dual condyloid articulations between medial and lateral condyles of the tibia and the femur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the Patellofemoral joint?

A

Articulation between patella encased in patellar tendon and the trochlear groove between the femoral condyles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What structures provide stability to the knee?

A
  • Menisci
  • Anterior Cruciate Ligament
  • Posterior Cruciate ligament
  • Lateral Collateral Ligament
  • Medial Collateral Ligament
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the menisci?

A
  • Fibrocartilage semilunar discs. Acts like labrum. Deepens concavity of the tibial plateaus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Where does the medial meniscus attach?

A

MCL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the term used to describe medial motion of the tibia relative to the femur?

A

Varus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the term used to describe lateral motion of the tibia relative to the femur?

A

Valgus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What do the cruciate ligaments do?

A

Limit anterior/posterior sliding of the femur on the tibial plateau during flexion and extension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the attachments of the ACL?

A

Connects the anterior aspect of the intercondyloid fossa to the posterior medial surface of the lateral condyle of the femur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the attachments of the PCL?

A

Connects posterior aspect of intercondyloid fossa of tibia to anterior medial condyle of femur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does the LCL do?

A

Connects lateral epicondyle of femur to head of fibula. Resists varus motion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does the MCL do?

A

Connect medial epicondyle of femur to medial tibia and resists valgus motion. Joins with medial meniscus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is another name for the Lateral Collateral Ligament?

A

Fibular Collateral Ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is another name for the Medial Collateral Ligament?

A

Tibial Collateral Ligament

17
Q

What function does the iliotibial band have in stabilising the knee?

A

Stabilises knee in extension and partial flexion

18
Q

What does the ITB connect to?

A

Connects Tensor fascia lata to lateral condyle of femur and lateral tuberosity of tibia

19
Q

What are the bursae inside the knee joint capsule?

A
  • Suprapatellar Bursa
  • Subopopliteal Bursa
  • Semimembranosus Bursa
  • Superficial infrapatellar bursa
  • Deep infrapatellar bursa
  • Prepatella Bursa
20
Q

What are the four quadricep muscles?

A
  • Vastus Lateralis
  • Vastus Medialis
  • Rectus femoris
21
Q

What is the origin, insertion and action of the Vastus Lateralis?

A
  • O: Intertrochanteric line; inferior border of greater trochanter; upper 1/2 of linea aspera
  • I: Lateral border of patella and patellar tendon to tibial tuberosity
  • A:Knee Extension
22
Q

What is the origin, insertion and action of the Vastus Intermedialis?

A
  • O: Upper 2/3 of anterior surface of femur
  • I: Upper border patella and patellar tendon to tibial tubersotiy
  • A: Extend Knee
23
Q

What is the origin, insertion and action of the Vastus Medialis?

A
  • O: Intertrochanteric line; whole length of linea aspera
  • I: Medial border of patella and patellar tendon to tibial tuberosity
  • A: extend knee
24
Q

What is the origin, insertion and action of the Rectus Femoris?

A
  • O: Anterior Inferior Iliac Spine
  • I: Superior aspect of patella and patellar tendon to tibial tuberosity
  • A: Extend knee and flex hip
25
Q

What are the muscles of the hamstring group?

A
  • Biceps femoris
  • Semimembranosus
  • Semitendinosus
26
Q

What is the origin, insertion and action of the Popliteus?

A
  • O: Posterior surface of lateral condyle of femur
  • I: Upper posterior medial surface of tibia
  • A: Required to initiate flexion; ‘unlocks’ knee by slight medial rotation of tibia
  • A:
27
Q

What is the origin of the lateral head of the Gastrocnemius?

A

Lateral Condyle and posterior surface of the femur

28
Q

What is the origin of the medial head of the gastrocnemius?

A

Popliteal surface of femur, above medial condyle

29
Q

What is the insertion and action of both heads of the Gastroc?

A
  • I: Posterior surface of the calcaneus via the achilles tendon
  • A: Flexes knee; plantarflexes ankle
30
Q

What is the origin, insertion and action of the Plantaris?

A
  • O: Lateral supracondylar ridge of femur, oblique popliteal ligament
  • I: Posterior surface of the calcaneus
  • A: Flexes knee; plantarflexes ankle

Functional Anatomy (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions